Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van cua duoc slippers" » "van chua duoc slippers", "van cua nuoc slippers", "van cua quoc slippers", "vang cua duoc slippers", "ban cua duoc slippers", "dan cua duoc slippers", "van cua duoc slippery", "van cua duoc grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van cua duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van cua duoc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van cua duoc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cua duoc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.